#B1D2EB
Closest named color: Light Blue (#ADD8E6). oklch(84.8% 0.05 240.9), rgb(177, 210, 235).
Aa
Black text reads best on this color (13.28:1).
About this color
#B1D2EB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.050 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.020 away. Black text reads best on it, at 13.28:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #B1D2EB |
| RGB | rgb(177, 210, 235) |
| HSL | hsl(206, 59%, 81%) |
| OKLCH | oklch(84.8% 0.05 240.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B1D2EB | 1.58:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #B1D2EB | 13.28:1 | AAA | Lc 77.4 | Fine for body text |
| #B1D2EB text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #B1D2EB text on black | 13.28:1 | AAA | Lc -76.7 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200 (this color)
#B1D2EB
oklch(84.8% 0.05 240.9)
-
Step 300
300
#9CC7E6
oklch(81% 0.063 239.9)
-
Step 400
400
#62A9DA
oklch(70.8% 0.102 240.4)
-
Step 500
500
#2B92D0
oklch(63.1% 0.13 240.6)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#05466A
oklch(37.7% 0.085 241)
-
Step 950
950
#08293E
oklch(26.9% 0.054 241.2)
#B1D2EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C8D1EC | 0.029 |
| Deuteranopia (no green cones) | #C0CBEB | 0.025 |
| Tritanopia (no blue cones) | #A1D8DA | 0.039 |
| Achromatopsia (no color) | #CECECE | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D2EB
#B1D2EB
oklch(84.8% 0.05 240.9)
- #E6C6AD
#E6C6AD
oklch(84.7% 0.05 60.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B1D2EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.035
- Celeste #A8DADC ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.044
Use #B1D2EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.